:root{--primary: #008679;--primary-dark: #006b60;--secondary: #2f6988;--bg: #f0f2f5;--card: #ffffff;--txt: #1a202c;--muted: #718096;--border: #e2e8f0;--danger: #e53e3e}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background-color:var(--bg);color:var(--txt);-webkit-font-smoothing:antialiased}*{box-sizing:border-box}.app-container{max-width:1200px;margin:0 auto;padding:20px;min-height:100vh}.card{background:var(--card);border-radius:12px;padding:24px;box-shadow:0 2px 4px #0000000d;border:1px solid var(--border)}.input-group{margin-bottom:15px}.input-label{display:block;font-size:13px;font-weight:600;color:var(--muted);margin-bottom:6px}.form-control{width:100%;padding:12px;border:1px solid var(--border);border-radius:8px;font-size:16px;transition:border-color .2s}.form-control:focus{outline:none;border-color:var(--primary)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 20px;border:none;border-radius:8px;font-weight:600;cursor:pointer;transition:all .2s;font-size:14px}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}.btn-danger{background:#fff;color:var(--danger);border:1px solid var(--danger)}.btn-danger:hover{background:#fff5f5}.btn-ghost{background:transparent;color:var(--secondary)}.btn-ghost:hover{background:#eef4f8}.flex-between{display:flex;justify-content:space-between;align-items:center}.text-center{text-align:center}.mb-4{margin-bottom:16px}.gap-2{gap:8px}.login-wrapper{display:flex;align-items:center;justify-content:center;height:100vh;background:linear-gradient(135deg,var(--primary) 0%,var(--secondary) 100%)}.login-card{width:100%;max-width:400px}